import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import GoodsList from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
Vue.use(VueRouter)

const routes = [{
  path: '/',
  redirect: '/Login'
},
{
  path: '/Login',
  component: Login
},
{
  path: '/Home',
  component: Home,
  redirect: '/Welcome',
  children: [
    {
      path: '/Welcome',
      component: Welcome
    },
    {
      path: '/Users',
      component: Users
    },
    {
      path: '/Rights',
      component: Rights
    },
    {
      path: '/Roles',
      component: Roles
    },
    {
      path: '/categories',
      component: Cate
    },
    {
      path: '/Params',
      component: Params
    },
    {
      path: '/goods',
      component: GoodsList
    },
    {
      path: '/goods/add',
      component: Add
    },
    {
      path: '/orders',
      component: Order
    }
  ]
}

]

const router = new VueRouter({
  routes
})
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to将要访问的路径
  // form代表从哪个路径跳转而来
  // next是一个函数,表示放行
  // 1.next()放行 next('/login')强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
